1955 CS frame

Information relating to the Matchless G80 or AJS Model 18 500cc Heavyweight.
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desmo
Member
Posts: 23
Joined: Thu Jan 01, 1998 12:00 am
Location: BADEN-WUERTTEMBERG GERMANY

1955 CS frame

Post by desmo »

Hello all.

I have been offered a 1955 G80 CS and was wondering if a CS would have that hole in the frame for an airfilter tube.
Any help please?
What are the difference between a streetmodel and an CS for a `55 model at all?

Thank you,
Norman
desmo
Member
Posts: 23
Joined: Thu Jan 01, 1998 12:00 am
Location: BADEN-WUERTTEMBERG GERMANY

Re: 1955 CS frame

Post by desmo »

Come on, lads.

Help an overseas member.
Of course you know the answer, someone does.

Thank you in advance,
Norman
MikeM.
Member
Posts: 1902
Joined: Wed Jan 01, 1992 12:00 am
Location: SURREY UK

Re: 1955 CS frame

Post by MikeM. »

Probably Itma would know but he's gone walkabout.
G15 Roy
Member
Posts: 3534
Joined: Sun Jan 01, 1995 12:00 am
Location: ESSEX UK

Re: 1955 CS frame

Post by G15 Roy »

Let me have the frame number and I will see if there is anything on the dating data base. But I would say that the frame would be as the road version.
Roy
Marty
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Posts: 243
Joined: Sat Jan 01, 1994 12:00 am
Location: Newzealand NEW ZEALAND

Re: 1955 CS frame

Post by Marty »

Yes it does. The '55 has a 'square ' shape to it and the oil tank and battery box (if fitted) use 2 bolts to mount- not studs
Marty
oldandmatchless
Posts: 51
Joined: Tue Dec 08, 2009 2:21 am
Location: IOWA USA

Re: 1955 CS frame

Post by oldandmatchless »

Norman:

Yes, the '55 G80CS front frame section is the same as the G80S version. Both would have the opening for an air cleaner connector. The '55 G80C front frame section would differ from the S & CS as it would not have this similar down tube.

Also, the CS would have the "C" letter designation on the end of the serial number (located near the rear down tube on the right hand side main frame tube).

Marty is correct that the 55 bolts through the rear down tube rather than to studs as did the '54.

The '55 G80CS and G80S did differ for the rear frame section as the street model did not have the brace between the jampot upper mounts.

Also, I have seen CS rear frame sections with and without the gusseted mounts for pillion pegs. My '55 CS does have these, but my brother's '55 CS does not. Don't have any explanation for that.

Hope this helps.

Cheers,

Rick T
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